GST Bill in Tally

Create a company

Go to change company option

Go to Create Company option.

Fill in the details.

On the GST option

Fill the GSTIN/UIN

Go to vouchers option

Select purchased vouchers

create party name

Create purchased ledger

Create a items

Apply a GST 

Fill quantity, rate

Create a ledger of CGST

GO to duties and taxes group

Click ctrl + p

Bill format